package com.qianxp.designparttern.observe;

import java.io.File;
import java.net.URL;
import java.net.URLDecoder;
import java.util.*;

/**
 * @author qianxp
 * @createTime 2019/11/20 0020
 */
public class TestMain {
    public static void main(String[] args) throws Exception {
        Subject subject = new OSubject();
        subject.awake();
    }




}
